submodule snmp-target {

    yang-version 1;

    belongs-to snmp {
        prefix snmp;
    }

    import ietf-inet-types {
      prefix inet;
    }

    include snmp-common;
    include snmp-usm;

    reference
      "RFC3413: Simple Network Management Protocol (SNMP) Applications
      SNMP-TARGET-MIB";


    revision "2010-10-17" {
      description "Initial revision.";
    }


    augment /snmp:snmp {
      list target {
        key "name";
        description "List of targets.";
        reference
          "SNMP-TARGET-MIB.snmpTargetAddrTable";

        leaf name {
          type identifier;
          description
            "Identifies the target.";
          reference
            "SNMP-TARGET-MIB.snmpTargetAddrName";

        }

        leaf ip {
          type inet:ip-address;
          mandatory true;
          description
            "Transport IP address of the target";
          reference
            "SNMP-TARGET-MIB.snmpTargetAddrTDomain
            SNMP-TARGET-MIB.snmpTargetAddrTAddress";

        }

        leaf udp-port {
          type inet:port-number;
          default '162';
          description "UDP port number";
          reference
            "SNMP-TARGET-MIB.snmpTargetAddrTDomain
            SNMP-TARGET-MIB.snmpTargetAddrTAddress";

        }

        leaf-list tag {
          type identifier;
          description
            "List of tag values used to select target address.";
          reference
            "SNMP-TARGET-MIB.snmpTargetAddrTagList";

        }

        leaf timeout {
          type uint32;
          units "0.01 seconds";
          default '1500';
          description
            "Needed only if this target can receive v3 informs.";
          reference
            "SNMP-TARGET-MIB.snmpTargetAddrTimeout";

        }

        leaf retries {
          type uint8;
          default '3';
          description
            "Needed only if this target can receive v3 informs.";
          reference
            "SNMP-TARGET-MIB.snmpTargetAddrRetryCount";

        }

        leaf engine-id {
          type leafref {
            path
              "/snmp/usm/remote/engine-id";
          }
          must '../usm/user-name' {
            error-message
              "When engine-id is set, usm/user-name must also be set.";
          }
          must
            '/snmp/usm/remote[engine-id=current()]/'
              + 'user[name=current()/../usm/user-name]' {
            error-message
              "When engine-id is set, the usm/user-name must exist in the
            /snmp/usm/remote list for this engine-id.";
          }
          description
            "Needed only if this target can receive v3 informs.
          This object is not present in the SNMP MIBs.  In
          RFC 3412, it is a implementation specific matter how this
          engine-id is handled.";
          reference
            "RFC 3412 7.1.9a";

        }
      }  // list target
    }
  }  // submodule snmp-target